#2F45A0#2F45A0

#2F45A0 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.9% C 0.150 H 268.9°. Best body text is #FFFFFF at 8.47:1 contrast (WCAG AA passes).

Color values

HEX	#2F45A0
RGB	rgb(47, 69, 160)
HSL	hsl(228, 55%, 41%)
HSV	hsv(228, 71%, 63%)
CMYK	cmyk(70.6%, 56.9%, 0%, 37.3%)
CIE-LAB	lab(32.70, 23.31, -51.95)
CIE-LCH	lch(32.70, 56.94, 294.16°)
OKLab	oklab(42.86% -0.0028 -0.1496)
OKLCH	oklch(42.86% 0.15 268.9)
XYZ	xyz(9.6434, 7.3977, 34.1706)
Luminance	0.0740 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45A0 #A08A2F

analogous

#2F7DA0 #2F45A0 #522FA0

triadic

#2F45A0 #A02F45 #45A02F

tetradic

#2F45A0 #A02F7D #A08A2F #2FA052

square

#2F45A0 #A02F7D #A08A2F #2FA052

split-complementary

#2F45A0 #A0522F #7DA02F

monochromatic

#131C41 #213171 #2F45A0 #445EC8 #7387D6

Accessibility & contrast

On white

8.47

#2F45A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.48

#2F45A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45A0

8.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45A0	#FFFFFF	#000000	##FFFFFF
##2F45A0	1.00	8.47	2.48	8.47
#FFFFFF	8.47	1.00	21.00	1.00
#000000	2.48	21.00	1.00	21.00
##FFFFFF	8.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A3

Deuteranopia (green-blind)

#00489E

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f45a0;
/* rgb */ color: rgb(47, 69, 160);
/* oklch */ color: oklch(42.9% 0.150 268.9);

Tailwind

colors: {
  custom: {
    50: '#7678bd',
    500: '#2f45a0',
    950: '#000000',
  },
}

SCSS

$custom: #2f45a0;
$custom-light: #7678bd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45a0",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 160
  },
  "hsl": {
    "h": 228.319,
    "s": 54.589,
    "l": 40.588
  },
  "oklch": {
    "l": 0.4286,
    "c": 0.14965,
    "h": 268.9
  },
  "luminance": 0.07399
}

Semantic roles & 50–950 ramp

primary

#2F45A0

secondary

#BEAE6D

accent

#C14ADE

background

#F7F7FB

surface

#EEEDF7

border

#C9C8D0

text

#0A0812

muted

#7C7B81

Preview Lab

Preview with #2F45A0

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →